CN103448685A - On-board optical sensor cover and on-board optical apparatus - Google Patents

On-board optical sensor cover and on-board optical apparatus Download PDF

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Publication number
CN103448685A
CN103448685A CN2013103660174A CN201310366017A CN103448685A CN 103448685 A CN103448685 A CN 103448685A CN 2013103660174 A CN2013103660174 A CN 2013103660174A CN 201310366017 A CN201310366017 A CN 201310366017A CN 103448685 A CN103448685 A CN 103448685A
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CN
China
Prior art keywords
optical pickocff
vehicle
lens
cover
washer nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013103660174A
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Chinese (zh)
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CN103448685B (en
Inventor
服部敏弘
小野学
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Denso Corp
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Denso Corp
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Publication date
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Publication of CN103448685A publication Critical patent/CN103448685A/en
Application granted granted Critical
Publication of CN103448685B publication Critical patent/CN103448685B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
    • B60S1/0833—Optical rain sensor
    • B60S1/0844—Optical rain sensor including a camera
    • B60S1/0848—Cleaning devices for cameras on vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B60S1/481—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B60S1/52—Arrangement of nozzles; Liquid spreading means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/08—Waterproof bodies or housings

Abstract

The invention provides an on-board optical sensor apparatus, which comprises an optical sensor (3), an optical sensor cover and controllers (14, 31, 205).The optical sensor (3) is equipped with a lens (5).The optical sensor (3) cover comprises a retainer (7) and a washer nozzle (9).The retainer (7) holds the optical sensor (3).The washer nozzle (9) performs a washing operation, so that the cleaning fluid supplied from a cleaning fluid barrel (15) is sprayed onto the lens surface (5a) of the lens (5) of the optical sensor (3) or the glass surface (103a) of a cover glass (103) located facing the lens (5) to wash the lens surface (5a) or the glass surface (103a).The controllers (14, 31, 205) controls the washing operation of the washer nozzle (9).

Description

Vehicle-mounted optical pickocff cover plate and vehicle-mounted optical sensor arrangement
The application is to be on September 29th, 2010 applying date, and name is called " vehicle-mounted optical pickocff cover plate and vehicle-mounted optical sensor arrangement ", the dividing an application of the application for a patent for invention that application number is 201010502744.5.
Technical field
The present invention relates to a kind of and be arranged on the vehicle-mounted optical pickocff cover plate that the optical pickocff such as photographic camera or laser on vehicle is used in combination, and relating to a kind of vehicle-mounted optical sensor arrangement that comprises described vehicle-mounted optical pickocff cover plate and described optical pickocff.
Background technology
In recent years, exist vehicle outfitting always the trend such as the optical pickocff of photographic camera or laser is arranged.Propose, use for spraying compressed-air actuated compressed air generator removal such as the water of the lens surface of the lens that adhere to optical pickocff and the foreign matter of dirt, and remove by the lens surface that pressure gas is ejected into to lens from compressed air generator the foreign matter (for example,, referring to JP2001-171491A) that adheres to lens surface.
Yet, according to disclosed technology in JP2001-171491A, need for spraying compressed-air actuated compressed air generator.As a result, cost and size have been increased.
Summary of the invention
Consider top these, the object of the present invention is to provide a kind of vehicle-mounted optical pickocff cover plate and vehicle-mounted optical sensor arrangement, for suitably removing the lens surface adhere to lens or in the face of the foreign matter of the glass surface of the cover-plate glass of lens, simultaneously owing to not needing to have reduced cost and size for spraying compressed-air actuated pressurized air maker.
According to an aspect of the present invention, a kind of vehicle-mounted optical pickocff cover plate comprises for keeping the retainer of the lensed optical pickocff of tool, and washer nozzle, described washer nozzle is ejected into described cover-plate glass with the lens surface of the described lens by being ejected into from the cleaning liquid of cleaning liquid bucket supply the described optical pickocff that remains on described retainer or when the cover-plate glass existed in the face of described lens glass surface for carrying out cleaning operation cleans to lens surface or glass surface.Because described washer nozzle is carried out described cleaning operation, described cleaning liquid suitably is ejected into described lens surface or described glass surface so that can suitably remove the foreign matter that adheres to described lens surface or described glass surface.In this way, suitably removed the described foreign matter that adheres to described lens surface or described glass surface, make described optical pickocff suitably to work, simultaneously owing to not needing to have reduced cost and size for spraying compressed-air actuated pressurized air maker.
According to a further aspect in the invention, a kind of vehicle-mounted optical sensor arrangement comprise described vehicle-mounted optical pickocff cover plate, for the control convenience of the described cleaning operation of controlling described washer nozzle and the described optical pickocff with described lens.Therefore, described cleaning liquid suitably is ejected into to described lens surface or glass surface so that can suitably remove the described foreign matter that adheres to described lens surface or glass surface.In this way, suitably removed the described foreign matter that adheres to described lens surface or described glass surface, make described optical pickocff suitably to work, simultaneously owing to not needing to have reduced cost and size for spraying compressed-air actuated pressurized air maker.
The accompanying drawing explanation
By the detailed description of carrying out below with reference to accompanying drawing, above and other objects of the present invention, feature and advantage will become more apparent.In the accompanying drawings:
Figure 1A shows the figure according to the front elevation of the optical pickocff unit of first embodiment of the invention, and Figure 1B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 1A;
Fig. 2 shows according to the photographic camera cover plate of the optical pickocff unit of the first embodiment and the figure of photographic camera mode separated from one another;
Fig. 3 shows the figure be equipped with according to the transparent view of the vehicle of the optical pickocff unit of the first embodiment;
Fig. 4 is the efficiency chart according to the optical pickocff unit of the first embodiment;
Fig. 5 is the diagram of circuit according to the optical pickocff unit of the first embodiment;
Fig. 6 is the efficiency chart according to the optical pickocff unit of second embodiment of the invention;
Fig. 7 is the diagram of circuit according to the optical pickocff unit of the second embodiment;
Fig. 8 A shows the figure according to the front elevation of the optical pickocff unit of the modification of the first and second embodiment, and Fig. 8 B shows the figure of side cross-sectional view of the optical pickocff unit of Fig. 8 A;
Fig. 9 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Fig. 9 B shows the figure of side cross-sectional view of the optical pickocff unit of Fig. 9 A;
Figure 10 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 10 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 10 A;
Figure 11 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 11 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 11 A;
Figure 12 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 12 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 12 A;
Figure 13 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 13 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 13 A;
Figure 14 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 14 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 14 A;
Figure 15 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 15 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 15 A;
Figure 16 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 16 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 16 A;
Figure 17 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 17 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 17 A;
Figure 18 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 18 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 18 A;
Figure 19 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 19 B shows the figure of side cross-sectional view of the optical pickocff unit of 19A;
Figure 20 shows the figure according to the front elevation of the optical pickocff unit of another modification;
Figure 21 shows the figure according to the front elevation of the optical pickocff unit of another modification;
Figure 22 is the efficiency chart of the optical pickocff unit of Figure 21;
Figure 23 A and 23B show the figure be equipped with according to the transparent view of the vehicle of the optical pickocff unit of another modification;
Figure 24 A shows the figure according to the front elevation of the optical pickocff unit of third embodiment of the invention, and Figure 24 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 24 A;
Figure 25 shows according to the photographic camera cover plate of the optical pickocff unit of the 3rd embodiment and the figure of photographic camera mode separated from one another;
Figure 26 is the efficiency chart according to the optical pickocff unit of the 3rd embodiment;
Figure 27 is the diagram of circuit according to the optical pickocff unit of the 3rd embodiment;
Figure 28 is the efficiency chart according to the optical pickocff unit of fourth embodiment of the invention;
Figure 29 is the diagram of circuit of the optical pickocff unit of the 4th embodiment;
Figure 30 A shows the figure according to the front elevation of the optical pickocff unit of the modification of the third and fourth embodiment, and Figure 30 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 30 A;
Figure 31 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 31 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 31 A;
Figure 32 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 32 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 32 A;
Figure 33 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 33 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 33 A;
Figure 34 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 34 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 34 A;
Figure 35 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 35 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 35 A;
Figure 36 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 36 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 36 A;
Figure 37 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 37 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 37 A;
Figure 38 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 38 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 38 A;
Figure 39 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 39 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 39 A;
Figure 40 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 40 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 40 A;
Figure 41 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 41 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 41 A;
Figure 42 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 42 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 42 A;
Figure 43 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 43 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 43 A;
Figure 44 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 44 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 44 A;
Figure 45 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 45 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 45 A;
Figure 46 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 46 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 46 A;
Figure 47 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 47 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 47 A;
Figure 48 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 48 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 48 A;
Figure 49 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 49 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 49 A;
Figure 50 shows the figure that removes the mode of cleaning liquid in the optical pickocff unit of Figure 49 A and 49B;
Figure 51 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 51 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 51 A;
Figure 52 A shows the figure according to the front elevation of the optical pickocff unit of another modification, and Figure 52 B shows the figure of side cross-sectional view of the optical pickocff unit of Figure 52 A;
Figure 53 is the diagram of circuit according to the optical pickocff unit of another modification of the 4th embodiment; And
Figure 54 shows the figure by the image of camera.
The specific embodiment
(the first embodiment)
The first embodiment that relates to the photographic camera that embodies optical pickocff of the present invention is described below with reference to Figure 1A-Fig. 5.
As shown in Figure 1A and 1B, optical pickocff unit 1(vehicle-mounted optical sensor arrangement of the present invention) comprise photographic camera cover plate 2(vehicle-mounted optical pickocff cover plate of the present invention) and photographic camera 3.Photographic camera 3 is attached to photographic camera cover plate 2 removably.In photographic camera 3, it is upper that lens 5 are arranged in the front side (left side of Figure 1B) of housing 4, and from rear side (right side Figure 1B) extracting power supply cord (not shown) and the image signal output line (not shown) of housing 4.Power lead is for supplying power to photographic camera 3.The image signal output line is for output image signal.Lens 5 are fish-eye lens and have the curved lens surface 5a that can take wide angle image.
In photographic camera cover plate 2, be positioned at housing 6 for the retainer 7 that keeps photographic camera 3, and opening 8 is positioned on the rear side of housing 6.As shown in Figure 2, photographic camera 3 is attached to photographic camera cover plate 2 by opening 8 and dismantles from photographic camera cover plate 2 by opening 8.In photographic camera cover plate 2, washer nozzle 9 is positioned at retainer 7 tops.Washer nozzle 9 has " L " shape.The cardinal extremity 9a of washer nozzle 9 is connected to the pipe 10 on the rear side that is positioned at housing 6.The end 9b of washer nozzle 9 has downward opening and is used as injection opening 11.Under condition in photographic camera 3 is normally remained on to retainer 7 (under the average service conditions shown in Figure 1A and 1B), the lens surface 5a of the lens 5 of photographic camera 3 be positioned at washer nozzle 9 end 9b under.Notice, the injection opening 11 of washer nozzle 9 is arranged in the zone (meaned by Fig. 4, Fig. 4 shows the functional block diagram of the electrical configurations of the peripheral circuit that comprises optical pickocff unit 1) in the outside, visual angle.Vehicle-mounted optical sensor arrangement of the present invention comprises optical pickocff unit 1 and controller 14.Controller 14(control convenience of the present invention, gear position check implement, vehicle launch start check implement, vehicle launch detection of end equipment, image dirt check implement or image atomization check implement) mainly comprise microcomputer.Controller 14 is carried out the control program of pre-stored, thereby controls the shooting operation of photographic camera 3 and operation that control is arranged on the motor 16 in cleaning liquid bucket 15 to control the cleaning operation of washer nozzle 9.
In this case, when drive motor 16, the cleaning liquid be stored in cleaning liquid bucket 15 is fed to washer nozzle 9 by managing 10.The cleaning liquid that is fed to washer nozzle 9 is ejected into by hydraulic pressure the lens surface 5a of lens 5 of photographic camera 3 from spraying opening 11.Can pass through variety of way spraywashing liquid.For example, can cleaning liquid be ejected on lens surface 5a by the form of spraying.For another example, by not spraying, meticulous particle form is fed to lens surface 5a by the suitable amount of cleaning liquid.For an example again, can the scheduled volume of cleaning liquid be fed to lens surface 5a by the form of each.Notice, cleaning liquid bucket 15 is arranged in the representative engine chamber of vehicle body 12.
Liquid crystal indicator 17(reporting facility of the present invention) be arranged in vehicle compartment (compartment).When receiving the picture signal of exporting from photographic camera 3, liquid crystal indicator 17 is by showing the image corresponding with this picture signal to image signal decoding.Controller 14 detects described image by the image (for example, by determining that pixel intensity is large or little) of analyzing demonstration on liquid crystal indicator 17 and whether comprises dirt or atomization.
Cleaning device switch 18 is operated by the user.When the user operates cleaning device switch 18, cleaning device switch 18 is to controller 14 output function detection signals.When receiving the operation detection signal of exporting from cleaning device switch 18, controller 14 drives command signals to motor 16 outputs, thus drive motor 16.For example, from controller 14 to motor, the driving command signals of 16 outputs are level signals, and in this level signal, are only the ON(high level) time time period during carry out the cleaning operation of washer nozzle 9.Cleaning device switch 18 can be mechanical switch or the soft-touch control be placed on liquid crystal indicator 17.
Vehicle-mounted LAN interface 19 by vehicle-mounted LAN22 from various types of ECU receive the position of the gear that means vehicles the gear position signal, mean the ACC(accessory) the ACC signal of the ON/OFF state of switch and mean the IG(igniting) the IG signal of the ON/OFF state of switch.Then, vehicle-mounted LAN interface 19 outputs to controller 14 by the types of signals of reception.When receiving the types of signals of exporting from vehicle-mounted LAN interface 19, controller 14 is analyzed the types of signals received, thus the ON/OFF state of the ON/OFF state of the position of detection of gear, ACC switch and IG switch.
Next, the action of above-mentioned configuration is described below with reference to Fig. 5.
Under "on" position (under the negative load condition of optical pickocff unit 1), controller 14 determines whether cleaning device switch 18 has been carried out operating (step S1).Receive from the operation detection signal of cleaning device switch 18 outputs and determine (step S1 is "Yes") when cleaning device switch 18 has been carried out to operation at controller 14, controller 14 drives command signal with drive motor 16 to motor 16 outputs, thereby carries out the cleaning operation (step S2) of washer nozzle 9.That is, by being stored in cleaning liquid in cleaning liquid bucket 15, being fed to washer nozzle 9 and being ejected into from spraying opening 11 the lens surface 5a of lens 5 of photographic camera 3.In this case, controller 14 can only continue the cleaning operation that predetermined time section (for example, several seconds) continues washer nozzle 9.Alternatively, controller 14 can only for example, continue the cleaning operation of washer nozzle 9 when user's operation (, pressing) cleaning device switch 18.In addition, if comprise the function of the amount of measuring cleaning liquid, can only before reaching scheduled volume, the amount of sprayed cleaning liquid continue the cleaning operation of washer nozzle 9.Notice, controller 14 repeats above-mentioned step S1, S2.
As mentioned above, according to the first embodiment, can be attached to photographic camera 3 and can be provided with from the photographic camera cover plate 2 of photographic camera 3 dismounting the washer nozzle 9 with cleaning lens surface 5a of lens surface 5a of the lens 5 for being ejected into from the cleaning liquid of cleaning liquid bucket 15 supplies photographic camera 3.By this scheme, no longer need traditional for spraying compressed-air actuated pressurized air generation unit, thereby reduced cost and size.Suitably removed the foreign matter that adheres to lens surface 5a so that photographic camera 3 can suitably be worked.In addition, because photographic camera cover plate 2 can be attached to photographic camera 3 and detachable from photographic camera 3, can easily carry out independent replacing.
(the second embodiment)
Below with reference to Fig. 6 and 7, the second embodiment of the present invention is described.The difference of the second embodiment and the first embodiment is these points.In the first embodiment, when operating cleaning device switch 18, the user triggers the cleaning operation of washer nozzle 9.That is, manually carry out the cleaning operation of washer nozzle 9.In a second embodiment, operating conditions comprises that detection of gear is moved to the fact of reverse position (detecting in the present invention the fact of gear in desired location of vehicle), detects the IG switch and be switched to the fact (detecting in the present invention the fact that starts vehicle launch) of ON state and detect the IG switch from the OFF state and be switched to the fact (detecting in the present invention the fact that finishes vehicle launch) of OFF state from the ON state.During any one in meeting described operating conditions or trigger the cleaning operation of washer nozzle 9 when image comprises dirt.That is, automatically perform the cleaning operation of washer nozzle 9.There is tally function according to the controller 31 of the second embodiment.
In Fig. 7, under "on" position (optical pickocff unit 1 having been carried out under the state driven), controller 31 determines whether to meet any one operating conditions (step S11) and whether definite image comprises dirt (step S12).Then, if determining, controller 31 met any one operating conditions,, determine that gear is moved to reverse position, the IG switch is switched to the ON state or the IG switch is switched to OFF state (step S11 is "Yes") from the ON state from the OFF state, if perhaps controller 31 determines that image comprises dirt (step S12 place is "Yes"), controller 31 drive motor 16, carry out the cleaning operation (step S13) of washer nozzle 9 thereby continue the predetermined time section.
Then, controller 31 makes the wash number counting machine add " 1 " from increasing 1() (step S14) and determine whether the value from the wash number counting machine increased is less than pre-determined number (step S15).If the value of controller 31 definite wash number counting machines from increasing is less than pre-determined number (step S15 place is "Yes"), controller 31 turns back to step S12 and repeats to be positioned at step S12 step afterwards.On the contrary, if the value of controller 31 definite wash number counting machines from increasing is equal to, or greater than pre-determined number (step S15 place is "No"), controller 31 makes liquid crystal indicator 17 show that the mistake of the cleaning operation of the washer nozzle 9 that has shown to carry out pre-determined number shows (step S16).Then, controller 31 resets (step S17) value of wash number counting machine and completes this process sequence.
If controller 31 is determined image and is not comprised dirt (because the cleaning operation of washer nozzle 9 has been removed dirt) (step S12 place is "No"), controller 31 makes the value of wash number counting machine reset (step S18), then turn back to step S11, and repeat to be positioned at step S11 step afterwards.
As mentioned above, according to the second embodiment, as long as detect the gear of vehicle move to reverse position, IG switch from the OFF state be switched to the ON state, the IG switch is switched to the OFF state from the ON state, or image comprises dirt, just can automatically clean the lens surface 5a of the lens 5 of photographic camera 3.In addition, when the wash number counting machine is equal to, or greater than pre-determined number, show wrong the demonstration.Alternatively, if comprise the function of measuring scavenging period, when reaching the schedule time, scavenging period shows wrong the demonstration.
Can revise in the following way or expand above-described embodiment.
Described optical pickocff is not limited to photographic camera 3 and can is the sensor such as laser, and it has lens and optical measurement physical quantity.
In described embodiment, in the situation that the value of wash number counting machine is equal to, or greater than pre-determined number, show wrong the demonstration on liquid crystal indicator 17.Alternatively, in this case, can be from loud speaker output error sound, or can generate vibration or static from seat or handle by electrostatic generator or the vibration machine that is installed to seat or handle.Alternatively, can combination with one another use these modes.That is, can be by vision sensing, sense of hearing sensing and tactile sensing carry out reports on the implementation arbitrarily.
The configuration of the cleaning operation of the manual execution washer nozzle 9 shown in Fig. 5 can be used in combination with the configuration of the cleaning operation that automatically performs washer nozzle 9 shown in Fig. 7.
As shown in Fig. 8 A and 8B, can carry out water-proofing treatment to the lens surface 5a of the lens 5 of photographic camera 3 so that lens surface 5a is coated with waterproof layer 41.Alternatively, can carry out water suction processing, photocatalysis treatment or antifouling processing so that lens surface 5a is coated with water accepting layer, photocatalysis layer or stain-proofing layer to lens surface 5a.In this scheme, can prevent from adhering to lens surface 5a such as the foreign matter of water or dirt.In addition, even adhere to lens surface 5a such as the foreign matter of water and dirt, carry out the cleaning operation of washer nozzle 9 so that can suitably clean lens surface 5a.
As shown in Fig. 9 A and 9B, the housing 52 of photographic camera cover plate 51 can be provided with the vehicle window washer nozzle 53 be arranged in parallel with washer nozzle 9.Can be fed to vehicle window washer nozzle 53 by managing 54 cleaning liquids that will be stored in cleaning liquid bucket 15, and the cleaning liquid that is fed to vehicle window washer nozzle 53 can be ejected into vehicle window from spraying opening 55.By this scheme, not only can clean the lens surface 5a of the lens 5 of photographic camera 3, and can clean vehicle window, thereby can realize a plurality of functions.Alternatively, the cleaning liquid bucket that is fed to the cleaning liquid of vehicle window washer nozzle 53 for storage can provide separately with the cleaning liquid bucket 15 of the cleaning liquid that is fed to washer nozzle 9 for storage.Alternatively, the injection direction of the injection opening 11 of washer nozzle 9 can change with selectivity and carries out operation on the lens surface 5a of the lens 5 for cleaning liquid being ejected into to photographic camera 3 and for cleaning liquid being ejected into to the operation on vehicle window.
As shown in Figure 10 A and 10B, the housing 62 of photographic camera cover plate 61 can be provided with dish 63 and pipe 64., coil 63 and can access from the cleaning liquid of lens surface 5a drippage, and can be drained by managing 64 by dish 63 cleaning liquids that access to the lens surface 5a of the lens 5 of photographic camera 3 during spraywashing liquid at the injection opening 11 from washer nozzle 9.In this scheme, can prevent that vehicle window from being made dirty by the cleaning liquid from lens surface 5a drippage.Alternatively, dish can have hole, and can will be fed to vehicle window so that can clean vehicle window from the cleaning liquid of lens surface 5a drippage by this hole.
As shown in Figure 11 A and 11B, the housing 72 of photographic camera cover plate 71 can be provided with top cover 73.Top cover 73 has for the projection from top covering lens surface 5a.In this scheme, can prevent from adhering to lens surface 5a from above such as the foreign matter of water and dirt (particularly raindrop).
As shown in Figure 12 A and 12B, the housing 82 of photographic camera cover plate 81 can be provided with the projection 83 that near the position lens surface 5a bottom margin of the lens 5 that are positioned at photographic camera 3 (lens 5 under) is located.In this scheme, even there is water to be accumulated in the bottom margin of lens surface 5a, the water be accumulated in the bottom margin of lens surface 5a contacts with projection 83, is directed to lens surface 5a below, and thereby is removed.
The position that water is accumulated in the bottom margin of lens surface 5a is depended on the curvature of lens 5 and diameter and is changed.For this reason, as shown in Figure 13 A and 13B, the housing 92 of photographic camera cover plate 91 can be provided with projection 93.Projection 93 can be positioned near the bottom margin of lens surface 53a of lens 5 of photographic camera 3 position and move up and down along groove 94.For example, when the diameter of lens 5 is larger, can makes projection 93 move down, and, when the diameter of lens 5 is smaller, can make projection 93 move up.In this way, by making projection 93, move up and down, projection 93 can suitably contact with water and have nothing to do with curvature and the diameter of lens 5.For example, projection 93 can be provided with male thread portion, and groove 94 can be provided with female thread portion.Male thread portion and female thread portion are engaged with each other so that projection 93 can move up and down along groove 94.
As shown in Figure 14 A and 14B, the housing 102 of photographic camera cover plate 101 can be provided with transparent cover-plate glass 103.Cover-plate glass 103 can be positioned on the front side of housing 102 with the lens 5 in the face of photographic camera 3.Can will from spraying opening 11, be ejected into the glass surface 103a of cover-plate glass 103 by managing 10 cleaning liquids that are fed to washer nozzle 9 from cleaning liquid bucket 15.In this case, because whole photographic camera 3 is maintained in housing 102, the size of housing 102 on the fore-and-aft direction (from the front side to rear side) of this housing 102 is larger than the size of the housing of the first and second embodiment 6.In this scheme, the lens 5 of cover-plate glass 103 protection photographic cameras 3, and it is upper so that can suitably remove the foreign matter that adheres to glass surface 103a that cleaning liquid suitably is ejected into to glass surface 103a.Thereby photographic camera 3 can suitably be worked with the suitable image of reference object.
As shown in Figure 15 A and 15B, can carry out water-proofing treatment to the glass surface 103a of cover-plate glass 103 so that this glass surface 103a can be coated with waterproof layer 111.Alternatively, can carry out water suction processing, photocatalysis treatment or antifouling processing so that glass surface 103 is coated with water accepting layer, photocatalysis layer or stain-proofing layer to glass surface 103a.In this scheme, can prevent from adhering to glass surface 103a such as the foreign matter of water and dirt.In addition, even adhere to glass surface 103a such as the foreign matter of water and dirt, carry out the cleaning operation of washer nozzle 9 so that can suitably clean glass surface 103a.
As shown in Figure 16 A and 16B, the housing 122 of photographic camera cover plate 121 can be provided with the friction scrubbing apparatus in scrubbing mechanism 125(the present invention).Scrubbing mechanism 125 comprises scrubber 123 and the motor 124 for driving scrubber 123 of the glass surface 103a for cleaning cover-plate glass 103.Scrubbing mechanism 125 can be on the glass surface 103a that cleaning liquid is ejected into to cover-plate glass 103 from the injection opening 11 of washer nozzle 9 in or clean afterwards the glass surface 103a of cover-plate glass 103.In this scheme, can prevent that cleaning liquid from keeping adhering to the glass surface 103a of cover-plate glass 103.Alternatively, if do not comprise cover-plate glass 103, can comprise the scrubbing mechanism of the lens surface 5a of the lens 5 for cleaning photographic camera 3.
As shown in Figure 17 A and 17B, the housing 132 of photographic camera cover plate 131 can be provided with the slewing in rotating mechanism 135(the present invention).Rotating mechanism 135 comprises bearing 133 and the motor 134 for cover-plate glass 103 is rotated of sealing.Rotating mechanism 135 can be on the glass surface 103a that cleaning liquid is ejected into to cover-plate glass 103 from the injection opening 11 of washer nozzle 9 in or make afterwards cover-plate glass 103 rotations.In this scheme, in cover-plate glass 103 rotations, the cleaning liquid that adheres to the glass surface 103a of cover-plate glass 103 can be blown off.Therefore, can prevent that cleaning liquid from keeping adhering to the glass surface 103a of cover-plate glass 103.In this case, for example, if there is the people to touch cover-plate glass 103, can disturb this rotation and make can not use remove the whole of cleaning liquid may.In order to prevent this situation, rotating mechanism 135 can under car speed is greater than or equal to the condition of predetermined speed, make cover-plate glass 103 rotations (for example, 1, usually when vehicle is parked or is stopped the people of vehicle outside can approach vehicle).Therefore, when vehicle is parked or stopped, having the possibility that the people touches suddenly cover-plate glass 103.Yet, when vehicle operating, the no one approaches vehicle.Therefore, when vehicle operating, do not have the people and can touch suddenly the possibility of cover-plate glass 103.Due to previous reasons, rotating mechanism 135 can be configured to make cover-plate glass 103 rotations when car speed is greater than or equal to predetermined speed.In this scheme, can prevent that the cleaning liquid that has the people to touch to cause due to vehicle outside from removing and may reduce.
If cover-plate glass 103 is positioned at such as the peephole place, the owner of vehicle can be at arm's length, preferably takes measures to prevent that this owner from touching cover-plate glass.Make cover-plate glass 103 rotations under the condition that for this reason, rotating mechanism 135 can be configured to cut out at vehicle window.In this scheme, can prevent from touching by the owner problem that rotating cover-plate glass 103 causes.In this case, always do not require vehicle window to close.If vehicle window is opened a little, as long as being closed to, vehicle window can prevent that the user from touching the position of cover-plate glass 103 by stretching out vehicle window.In this case, can introduce air by vehicle window.Can be with cover-plate glass 103 position in vehicle and user can to stretch out the pass of vehicle window between how many be that the position that vehicle window is closed to is determined on basis.
As shown in Figure 18 A and 18B, the housing 142 of photographic camera cover plate 141 can be provided with ultrasonic vibration device or the infra-acoustic vibration equipment in vibrating mechanism 145(the present invention).Vibrating mechanism 145 comprises super sonic or infrasonic piezoelectric device 143 and the electrode 144 that makes cover-plate glass 103 vibrations for generation.Vibrating mechanism 145 can or make cover-plate glass 103 vibrations in the glass surface 103a that cleaning liquid is ejected into to cover-plate glass 103 from the injection opening 11 of washer nozzle 9 afterwards.In this scheme, can prevent that cleaning liquid from keeping adhering to the glass surface 103a of cover-plate glass 103.
As shown in Figure 19 A and 19B, the housing 152 of photographic camera cover plate 151 can be provided with the air spraying equipment in air injection equipment 156(the present invention).Air injection equipment 156 comprises air nozzle 153 on the glass surface 103a for air being ejected into to cover-plate glass 103, manage 154 and air pump 155.Air injection equipment 156 can be on the glass surface 103a that cleaning liquid is ejected into to cover-plate glass 103 from the injection opening 11 of washer nozzle 9 in or afterwards air is ejected on the glass surface 103a of cover-plate glass 103.In this scheme, can prevent that cleaning liquid from keeping adhering to the glass surface 103a of cover-plate glass 103.
The scrubbing mechanism 125 of explaining, the rotating mechanism 135 of explaining, the vibrating mechanism 145 of explaining and the air injection equipment 156 of explaining can be configured to the serviceability work according to the vehicle scrubber in Figure 19 A and 19B in Figure 18 A and 18B in Figure 17 A and 17B in Figure 16 A and 16B.Scrubbing mechanism 125, rotating mechanism 135, vibrating mechanism 145 and air injection equipment 156 can be when the vehicle scrubber operates the time period manipulate.In this scheme, can prevent that raindrop from adhering to lens surface 5a or glass surface 103a.In addition, even raindrop adhere to lens surface 5a or glass surface 103a, also can remove these raindrop.
As shown in figure 20, washer nozzle 163 can be arranged in the housing 162 of photographic camera cover plate 161 on the side of photographic camera 3.The cleaning liquid be stored in cleaning liquid bucket 15 can be fed to washer nozzle 163 by managing 10, and the cleaning liquid that is fed to washer nozzle 163 can be ejected into the lens surface 5a of lens 5 from the side from spraying opening 164.In this case, washer nozzle 163 with in Figure 1A and 1B, explain and at the washer nozzle 9 extended above whole housing 6, above whole housing 162, extend similarly.In this scheme, because washer nozzle 163 is positioned on the side of photographic camera 3, described vehicle-mounted optical sensor arrangement can reduce size on short transverse.Notice, the vehicle type according to the installation site due to vehicle structure restriction and the required outward appearance of vehicles identifications, can be arranged on vehicle-mounted optical sensor arrangement on vehicle according to the mode as shown in Figure 1A and 1B or Figure 20.According to this embodiment, according to the type of vehicle, can be by vehicle-mounted optical sensor arrangement vertical or level be arranged on vehicle.
As shown in Figure 21 and 22, can comprise the light equipment wherein be integrated with in infrared lamp 171(the present invention) photographic camera 172.Can be fed to washer nozzle 9 and not only be ejected into from spraying opening 11 lens surface of lens 173 of photographic camera 172 but also be ejected on infrared lamp 171 being stored in cleaning liquid in cleaning liquid bucket 15.For example, infrared lamp 171 can at photographic camera 3 in auxiliary environment brightness during photographic images at night.According to the embodiment shown in Figure 21 and 22, suitably remove the foreign matter of the lens that adhere to infrared lamp 171 so that can suitably launch infrared light.Alternatively, in Figure 21 and 22, infrared lamp 171 can be replaced by visible lamp (light equipment in the present invention).Even visible lamp also can produce the effect identical with infrared lamp 171.
As shown in Figure 23 A and 23B, optical pickocff unit 1 can not only be positioned at vehicle rear window 13 tops of car body 12 but also be positioned at the side view mirror below that is attached to vehicular sideview.In this scheme, photographic camera 3 can be taken the image in the zone that is positioned at vehicle back and side.That is, a plurality of photographic cameras can be installed.
Can be by any two or be grouped together in above-described embodiment more.The scrubbing mechanism 125 that for example, can be included in the dish 63 of explaining in Figure 10 A and 10B, the top cover 73 of explaining simultaneously and explain in Figure 16 A and 16B in Figure 11 A and 11B.
In the above-described embodiments, described vehicle-mounted optical sensor arrangement comprises controller and optical pickocff unit.Alternatively, described photographic camera cover plate can comprise controller.
(the 3rd embodiment)
Below with reference to Figure 24 A-27, the third embodiment of the present invention is described.The difference of the 3rd embodiment and the first embodiment be following some.As shown in Figure 24 A and 24B, temperature booster 201(is integrally formed optics heating device and the nozzle heating device by same parts in the present invention) and for to temperature booster 201, for the electric wire (not shown) of induced currents, being positioned at housing 6.Photographic camera 3 by the condition in normally remaining on retainer 7 under, the whole peripheral side of the lens 5 of temperature booster 201 overlaid cameras 3 and contacting with near the part (sweep in the present embodiment) on end 9b side in washer nozzle 9.For example, temperature booster 201 can be netted live wire.The heat that will be generated by temperature booster 201 be transferred to the part on end 9b side that is positioned at of the lens 5 of photographic camera 3 and washer nozzle 9.
Figure 26 shows the functional block diagram of the electrical configurations of the peripheral circuit that comprises optical pickocff unit 1.Controller 14 mainly comprises microcomputer.Controller 14 is carried out the control program of pre-stored, thereby controls the shooting operation of photographic camera 3, the heating operation of control heater 201, and control is arranged on the operation of the motor 16 in cleaning liquid bucket 15 to control the cleaning operation of washer nozzle 9.Heater switch 202 can be operated by the user.When user's operate heater switch 202, heater switch 202 is to controller 14 output function detection signals.When receiving the operation detection signal of exporting from heater switch 202, controller 14 drives command signals to temperature booster 201 outputs, thereby drives temperature booster 201.Output to the driving command signal of motor 16 and be level signal from the driving command signal that controller 14 outputs to temperature booster 201 from controller 14.In level signal, be only the ON(high level) time time period during carry out the cleaning operation of washer nozzle 9 and the heating operation of temperature booster 201.Cleaning device switch 18 and heater switch 202 can be mechanical switch or the soft-touch controls be placed on liquid crystal indicator 17.
The action of above-mentioned configuration is described below with reference to Figure 27.
Under "on" position (under the driving condition of optical pickocff unit 1), controller 14 determines whether to cleaning device switch 18 has been carried out operating (step S101) and determined whether heater switch 202 has been carried out operating (step S102).Receive from the operation detection signal of cleaning device switch 18 outputs and determine (step S101 is "Yes") when cleaning device switch 18 has been carried out to operation at controller 14, controller 14 drives command signal with drive motor 16 to motor 16 outputs, thereby carries out the cleaning operation (step S103) of washer nozzle 9.That is, by being stored in cleaning liquid in cleaning liquid bucket 15, being fed to washer nozzle 9 and being ejected into from spraying opening 11 the lens surface 5a of lens 5 of photographic camera 3 (step S103).In this case, controller 14 can only continue the cleaning operation that predetermined time section (for example several seconds) continues washer nozzle 9.Alternatively, controller 14 can only for example, continue the cleaning operation of washer nozzle 9 when user's operation (pressing) cleaning device switch 18.In addition, if comprise the function of the amount of measuring cleaning liquid, only before reaching scheduled volume, the amount of the cleaning liquid sprayed continues the cleaning operation of washer nozzle 9.
In addition, receive from the operation detection signal of heater switch 202 outputs and determine (step S102 is "Yes") when heater switch 202 has been carried out to operation at controller 14, controller 14 drives command signal to drive temperature booster 201 to temperature booster 201 outputs, thereby drives the heating operation (step S104) of temperature booster 201.That is the heat that, will be generated by temperature booster 201 be transferred to photographic camera 3 lens 5 whole peripheral side and be transferred to the end 9b side of washer nozzle 9.In this case, controller 14 can only continue the heating operation of predetermined time section continuation temperature booster 201.Alternatively, controller 14 can only for example, continue the heating operation of temperature booster 201 when user's operation (, pressing) heater switch 202.Controller 14 repeats above-mentioned steps S101-S104.
As mentioned above, according to the 3rd embodiment, temperature booster 201 not only can add the lens 5 of thermal camera 3, but also can heated wash device nozzle 9.Even when ambient temperature reduces, the lens 5 that can add thermal camera 3 are with the lens surface 5a atomization of the lens 5 that prevent photographic camera 3 and prevent that the water on lens surface 5a from condensing.In addition, can heated wash device nozzle 9 to prevent that cleaning liquid from condensing.Thereby, cleaning liquid suitably can be ejected into to lens surface 5a so that can suitably remove the foreign matter that adheres to lens surface 5a.Therefore, photographic camera 3 can suitably be worked.
(the 4th embodiment)
Below with reference to Figure 28 and 29, the fourth embodiment of the present invention is described.The difference of the 4th embodiment and the 3rd embodiment be following some.
According to the 4th embodiment, as shown in figure 28, comprise the ambient temperature measurement equipment for ambient temperature meter 203(the present invention of measures ambient temperature) and for photographic camera heat indicator 204(the present invention's of the temperature of surveying camera 3 sensor temperature measuring equipment).When receiving the temperature measurement signal of exporting from ambient temperature meter 203, the temperature measurement signal testing environment temperature that controller 205 receives by analysis.When receiving the temperature measurement signal of exporting from photographic camera heat indicator 204, the temperature measurement signal that controller 205 receives by analysis detects the temperature of photographic camera 3.Notice, controller 205 has tally function.
In Figure 29, under "on" position (under the driving condition of optical pickocff unit 1), controller 205 determines whether to meet any one operating conditions (step S111) and whether definite image comprises dirt (step S112).Then, if determining, controller 205 meets any one operating conditions,, determine that gear moves to reverse position, IG switch and is switched to the ON state or the IG switch is switched to OFF state (step S111 is "Yes") from the ON state from the OFF state, if perhaps controller 205 determines that image comprises dirt (step S112 place is "Yes"), controller 205 determines whether the temperature of ambient temperature or photographic camera 3 is equal to, or greater than predetermined temperature (step S113).
Then, if the temperature of the definite ambient temperature of controller 205 or photographic camera 3 is less than predetermined temperature (step S113 place is "No"), controller 205 drives temperature boosters 201 only to continue the heating operation (step S114) of predetermined time section execution temperature booster 201.Then, controller 205 makes the heating times counting machine from increasing (adding " 1 ") and determining from the heating times counting machine increased whether be less than pre-determined number (step S116).If the value of controller 205 definite heating times counting machines from increasing is less than pre-determined number (step S116 place is "Yes"), controller 205 turns back to step S113 and repeats to be positioned at step S113 step afterwards.On the contrary, if the value of controller 205 definite heating times counting machines from increasing is equal to, or greater than pre-determined number (step S116 place is "No"), controller 205 makes liquid crystal indicator 17 show that the heating operation that shows temperature booster 201 has repeated the mistake demonstration (step S117) of pre-determined number.Then, controller 205 resets (step S118) value of heating times counting machine and completes this process sequence.
If the temperature of the definite ambient temperature of controller 205 or photographic camera 3 is equal to, or greater than predetermined temperature (step S113 place is "Yes"), controller 205 drive motor 16 are to continue the cleaning operation (step S119) of predetermined time section execution washer nozzle 9.Then, controller 205 makes the wash number counting machine from increasing (adding " 1 ") (step S120) and determining whether the value from the wash number counting machine increased is less than pre-determined number (step S121).If the value of controller 205 definite wash number counting machines from increasing is less than pre-determined number (step S121 place is "Yes"), controller 205 turns back to step S112 and repeats to be positioned at step S112 step afterwards.On the contrary, if the value of controller 205 definite wash number counting machines from increasing is equal to, or greater than pre-determined number (step S121 place is "No"), controller 205 is that liquid crystal indicator 17 shows that the mistake of the cleaning operation of the washer nozzle 9 that has shown to carry out pre-determined number shows (step S122).Then, controller 205 resets (step S123) value of wash number counting machine and completes this process sequence.
If controller 205 determines image and do not comprise dirt (because the cleaning operation of washer nozzle 9 has been removed dirt) (step S112 place is "No"), controller 205 not only makes the value of heating times counting machine reset but also the value of wash number counting machine is resetted (step S124) and turn back to step S111 and repeat to be positioned at step S111 step afterwards.
As mentioned above, according to the 4th embodiment, the gear that vehicle detected move to reverse position, IG switch from the OFF state be switched to the ON state, the IG switch is switched to the OFF state from the ON state, when perhaps image comprises dirt any, can automatically clean the lens surface 5a of the lens 5 of photographic camera 3.In addition, when the value of heating times counting machine or wash number counting machine is equal to, or greater than pre-determined number, show wrong the demonstration.Alternatively, if comprise the function of measuring time of heat or scavenging period, can when reaching the schedule time, time of heat or scavenging period show wrong the demonstration.
Can follow to revise and expansion above-described embodiment.Can be provided for separately with the temperature booster for heated wash device nozzle 9 adding the temperature booster of the lens 5 of thermal camera 3.
In described embodiment, temperature booster 201 is configured to by the lens 5 that itself not only add thermal camera 3 but also heated wash device nozzle 9.Alternatively, temperature booster 201 can be configured to add the lens 5 of thermal camera 3 and any one in washer nozzle 9.
Suppose temperature booster 201 is configured to add the lens 5 of thermal camera 3, the lens 5 that when ambient temperature reduces, by temperature booster 201, add thermal camera 3 are with the lens surface 5a atomization of the lens 5 that prevent photographic camera 3.Therefore, photographic camera 3 can suitably be worked with the suitable image of reference object.
Suppose temperature booster 201 is configured to heated wash device nozzle 9, when ambient temperature reduces by temperature booster 201 heated wash device nozzles 9 to prevent that cleaning liquid from condensing.Thereby, cleaning liquid suitably can be ejected into to lens surface 5a upper so that can suitably remove the foreign matter that adheres to lens surface 5a.Therefore, photographic camera 3 can suitably be worked with the suitable image of reference object.
In described embodiment, when being equal to, or greater than pre-determined number, the value of heating times counting machine or wash number counting machine shows wrong the demonstration on liquid crystal indicator 17.Alternatively, in this case, can be from loud speaker output error sound, or generate vibration or static by the static maker that is installed to seat or handle or vibration maker from seat or handle.Alternatively, these modes can combination with one another be used.That is, can be by any one reports on the implementation in vision sensing, sense of hearing sensing and tactile sensing.
The configuration of the cleaning operation of the manual execution washer nozzle 9 shown in Figure 27 can be combined with the configuration of the cleaning operation that automatically performs washer nozzle 9 shown in Figure 29.
As shown in Figure 30 A and 30B, similar with the configuration shown in Fig. 8 A and 8B, even when comprising temperature booster 201, can carry out water-proofing treatment to the lens surface 5a of the lens 5 of photographic camera 3 so that lens surface 5a can be coated with waterproof layer 41.Alternatively, can carry out water suction processing, photocatalysis treatment or antifouling processing so that lens surface 5a can be coated with water accepting layer, photocatalysis layer or stain-proofing layer to lens surface 5a.
As shown in Figure 31 A and 31B, similar with the configuration shown in Fig. 9 A and 9B, even when comprising temperature booster 201, the housing 52 of photographic camera cover plate 51 can be provided with the vehicle window washer nozzle 53 be arranged in parallel with washer nozzle 9.The cleaning liquid be stored in cleaning liquid bucket 15 can be fed to vehicle window washer nozzle 53 by managing 54, and the cleaning liquid that is fed to vehicle window washer nozzle 53 can be ejected into vehicle window from spraying opening 55.
As shown in Figure 32 A and 32B, similar with the configuration shown in Figure 10 A and 10B, even when comprising temperature booster 201, the housing 62 of photographic camera cover plate 61 can be provided with dish 63 and pipe 64.In the time of on the lens surface 5a of the lens 5 that cleaning liquid are ejected into to photographic camera 3 from the injection opening 11 of washer nozzle 9, coil 63 and can access from the cleaning liquid of lens surface 5a drippage, and can drain by dish 63 cleaning liquids that access by managing 64.
As shown in Figure 33 A and 33B, similar with the configuration shown in Figure 11 A and 11B, even when comprising temperature booster 201, the housing 72 of photographic camera cover plate 71 also can be provided with top cover 73.
As shown in Figure 34 A and 34B, similar with the configuration shown in Figure 14 A and 14B, even when comprising temperature booster 201, the housing 102 of photographic camera cover plate 101 also can be provided with transparent cover plate glass 103.Cover-plate glass 103 can be positioned at the front side of housing 102 with the lens 5 in the face of photographic camera 3.Can will from spraying opening 11, be ejected into the glass surface 103a of cover-plate glass 103 by managing 10 cleaning liquids that are fed to washer nozzle 9 from cleaning liquid bucket 15.
In this case, temperature booster 301 covers the whole peripheral side of cover-plate glass 103 and contacts with the part on being positioned at end 9b side in washer nozzle 9.The heat generated by temperature booster 301 can be transferred in cover-plate glass 103 and washer nozzle 9 and be positioned at the part on end 9b side.In addition, because whole photographic camera 3 remains in housing 102, housing 102 is greater than the size of the housing 6 of the 3rd embodiment along the size of (from the front side to rear side) on the fore-and-aft direction of this housing 102.In this scheme, in the lens 5 of cover-plate glass 103 protection photographic cameras 3, can prevent the glass surface 103a atomization of cover-plate glass 103.In addition, can prevent that cleaning liquid from condensing.Thereby, cleaning liquid suitably can be ejected into to glass surface 103a upper so that can suitably remove the foreign matter of viscosity to glass surface 103a.Therefore, photographic camera 3 can suitably be worked with the suitable image of reference object.
As shown in Figure 35 A and 35B, similar with the configuration shown in Figure 15 A and 15B, even when comprising temperature booster 301, also can carry out water-proofing treatment to the glass surface 103a of cover-plate glass 103 so that glass surface 103a is coated with waterproof layer 111.Alternatively, can carry out water suction processing, photocatalysis treatment or antifouling processing so that glass surface 103a is coated with water accepting layer, photocatalysis layer or stain-proofing layer to glass surface 103a.
As shown in Figure 36 A and 36B, in the housing 102 of photographic camera cover plate 101, the glass surface 103a of cover-plate glass 103 can be coated with tin indium oxide 112, and electrode 113 can be arranged on the top side part and bottom side portion of cover-plate glass 103.The tin indium oxide 112 that predetermined voltage can be applied to electrode 113 so that electric current can be flowed through.As a result, tin indium oxide 112 Heat of Formations are so that can heating cover glass sheet 103.Alternatively, the lens surface 5a of the lens 5 of photographic camera 3 can be coated with tin indium oxide, and the electrode be arranged in photographic camera 3 can make the tin indium oxide Heat of Formation to add thermal lens 5.
As shown in Figure 37 A and 37B, similar with the configuration shown in Figure 16 A and 16B, even when comprising temperature booster 301, the housing 122 of photographic camera cover plate 121 also can be provided with scrubbing mechanism 125, and described scrubbing mechanism 125 comprises scrubber 123 and the motor 124 for driving scrubber 123 of the glass surface 103a for cleaning cover-plate glass 103.Scrubbing mechanism 125 can be on the glass surface 103a that cleaning liquid is ejected into to cover-plate glass 103 from the injection opening 11 of washer nozzle 9 in or clean afterwards the glass surface 103a of cover-plate glass 103.
As shown in Figure 38 A and 38B, similar with the configuration shown in Figure 17 A and 17B, even when comprising temperature booster 301, the housing 132 of photographic camera cover plate 131 also can be provided with the bearing 133 that comprises the sealing for making cover-plate glass 103 rotation and the rotating mechanism 135 of motor 134.Rotating mechanism 135 can be on the glass surface 103a that cleaning liquid is ejected into to cover-plate glass 103 from the injection opening 11 of washer nozzle 9 in or make afterwards cover-plate glass 103 rotations.
As shown in Figure 39 A and 39B, similar with the configuration shown in Figure 18 A and 18B, even when comprising temperature booster 301, the housing 142 of photographic camera cover plate 141 also can be provided with vibrating mechanism 145, and described vibrating mechanism 145 comprises super sonic or infrasonic piezoelectric device 143 and the electrode 144 that makes cover-plate glass 103 vibrations for generation.Vibrating mechanism 145 can make cover-plate glass 103 vibrations.Vibrating mechanism 145 can be on the glass surface 103a that cleaning liquid is ejected into to cover-plate glass 103 from the injection opening 11 of washer nozzle 9 in or make afterwards cover-plate glass 103 vibrations.
As shown in Figure 40 A and 40B, similar with the configuration shown in Figure 19 A and 19B, even when comprising temperature booster 301, the housing 152 of photographic camera cover plate 151 also can be provided with air injection equipment 156, and described air injection equipment 156 comprises air nozzle 153 on the glass surface 103a for air being ejected into to cover-plate glass 103, manage 154 and air pump 155.Air injection equipment 156 can be on the glass surface 103a that cleaning liquid is ejected into to cover-plate glass 103 from the injection opening 11 of washer nozzle 9 in or afterwards air is ejected on the glass surface 103a of cover-plate glass 103.
The scrubbing mechanism 125 of explaining, the rotating mechanism 135 of explaining, the vibrating mechanism 145 of explaining and the air injection equipment 156 of explaining can be configured to the serviceability work according to the vehicle scrubber in Figure 40 A and 40B in Figure 39 A and 39B in Figure 38 A and 38B in Figure 37 A and 37B.Scrubbing mechanism 125, rotating mechanism 135, vibrating mechanism 145 and air injection equipment 156 can be when the vehicle scrubber operates the time period manipulate.
Can be by any two or be grouped together in above-described embodiment more.The scrubbing mechanism 125 that for example, can be included in the dish 63 of explaining in Figure 32 a and 32B, the top cover 73 of explaining simultaneously and explain in Figure 37 A and 37B in Figure 33 A and 33B.
As shown in Figure 41 A and 41B, comprising dish 63 o'clock, can comprise the dish heating device for temperature booster 302(the present invention of heating plate 63).In this scheme, can prevent from condensing from the water liquid of lens surface 5a drippage and collection dish 63.Thereby, can be emitted on reposefully the water liquid of collecting in dish 63.For example, temperature booster 302 can be netted live wire.
As shown in Figure 42 A and 42B, comprising dish 63 o'clock, can carry out water-proofing treatment so that this mating surfaces is coated with waterproof layer 303 to the mating surfaces contacted with cleaning liquid.Alternatively, can carry out water suction to this mating surfaces processes so that this mating surfaces is coated with water accepting layer.In this scheme, can discharge reposefully from the water liquid of lens surface 5a drippage and collection dish 63.
As shown in Figure 43 A and 43B, comprising dish 63 o'clock, can comprise that the water liquid for collecting at dish 63 guides to the path 305 of vehicle window.In this scheme, recycle the cleaning liquid collected to clean vehicle window and thereby effectively to utilize and do not waste in dish 63.
As shown in Figure 44 A and 44B, can comprise the path heating device of the path temperature booster 306(the present invention for adding hot path 305).In this scheme, can prevent that the water liquid that guides to path 305 from condensing.Thereby, can discharge reposefully the water liquid that guides to path 305.For example, path temperature booster 306 can be netted live wire.
As shown in Figure 45 A and 45B, when comprising path 305, can carry out water-proofing treatment so that this mating surfaces can be coated with waterproof layer 307 to the mating surfaces contacted with cleaning liquid.Alternatively, can carry out water suction to this mating surfaces processes so that this mating surfaces can be coated with water accepting layer.In this scheme, can discharge reposefully the water liquid that guides to path 305.
As shown in Figure 46 A and 46B, comprising outstandingly from housing 72 and during from the top cover 73 of top covering lens surface 5a, can comprise the top cover heating device of the capping heater 308(the present invention for heating top cover 73).In this scheme, on top cover 73, unlikely can accumulate snow and ice.In addition, even accumulated snow and ice on top cover, the snow and ice that also can melt and remove accumulation stops the viewing optics sensor to prevent snow and ice.For example, capping heater 308 can be netted live wire.Capping heater 308 can be arranged on each side of the top side of top cover 73 and bottom side.Alternatively, capping heater 308 can only be arranged on the top side of top cover 73.
As shown in Figure 47 A and 47B, when comprising air injection equipment 156, can comprise airheater 309(the present invention's of the air sprayed from the end portion of air nozzle 153 for heating air heating plant).Alternatively, as shown in Figure 48 A and 48B, when comprising air injection equipment 156, can comprise the air spraying equipment heating device of the air nozzle temperature booster 310(the present invention for adding hot air nozzle 153).In this scheme, even when cleaning liquid is agglomerated to lens surface 5a, also can remove the cleaning liquid that is agglomerated to lens surface 5a.Notice, can combination with one another use airheater 309 and air nozzle temperature booster 310.
As shown in Figure 49 A and 49B, during projection 311 that near the position housing 82 of photographic camera cover plate 82 is provided with the bottom margin of lens surface 5a of the lens 5 that are positioned at photographic camera 3 (lens 5 under) is located, projection 311 can have gap (clearance) part 312 of extending along the vertical direction.In this scheme, as shown in figure 50, in gap portion 312, capillarity occurs so that can guide reliably the water of accumulating and thereby remove below lens surface 5a in the bottom margin of lens surface 5a by this gap portion 312.; have water be accumulated in the bottom margin of lens surface 5a in the time; because making part water, capillarity flows out so that can be reduced in the amount (in the situation that Figure 50, this amount is reduced to " P2 " from " P1 ") of the water of accumulating in the bottom margin of lens surface 5a.
As shown in Figure 51 A and 51B, projection 311 can be provided with the projection heating device in projection temperature booster 313(the present invention).In this scheme, can prevent that the water remained on projection 311 from condensing.
As shown in Figure 52 A and 52B, the housing 82 of photographic camera cover plate 81 can be provided with the slit part 314 that near the position bottom margin of lens surface 5a of the lens 5 that are positioned at photographic camera 3 (lens 5 under) is located.In this scheme, can in slit part 314, capillarity occur so that can guide reliably by slit part 314 water of accumulating and thereby remove below lens surface 5a in the bottom margin of lens surface 5a.
As shown in Figure 53, if determine that image comprises dirt (step S201 place is "Yes"), (step S202 place is "Yes") lasting predetermined time section execution cleaning operation (step S203) during any one operating conditions that washer nozzle can be below meeting: the gear of vehicle moves to reverse position, IG switch and is switched to the ON state and the IG switch is switched to the OFF state from the ON state from the OFF state.Thereby, do not carry out immediately cleaning operation after dirt being detected.Because the moment that may watch image the user is carried out cleaning operation, can effectively use cleaning liquid.
Can analyze the zone that is supplied to the user in the image of being taken by optical pickocff, whether the zone shown on the read out instrument in the vehicle compartment, comprise dirt and need not analyze in this image another zone that is not supplied to the user to detect this image.That is, in the situation that Figure 54, the image A 1 of the image A of being taken by optical pickocff is corresponding with the bottom side of fish-eye lens 5 and be to provide the zone to the user, and the image A 2 of the image A of being taken by optical pickocff is the zone that is not supplied to the user.In this case, detect the image A 1 corresponding with the bottom side of fish-eye lens 5 and whether comprise dirt.In this scheme, can analyze necessary image A 1 and unnecessary image A 2 not carried out to analyzing adjuncts.
Notice, can be arranged on the vehicle glazing top according to the vehicle-mounted optical pickocff cover plate of described embodiment, for example as shown in Figure 3.In this scheme, washer nozzle 9 can be carried out cleaning operation not only by cleaning liquid being ejected on lens surface 5a or glass surface 103a, to clean this lens surface 5a or glass surface 3a, but also cleans vehicle glazing by recycle from the cleaning liquid of lens surface 5a or glass surface 103a drippage.
This variation and modification are interpreted as within the scope of the present invention be defined by the following claims.

Claims (7)

1. a vehicle-mounted optical pickocff cover plate comprises:
Retainer (7), for keeping having the optical pickocff (3) of lens (5);
Washer nozzle (9), be arranged in described retainer top and clean described lens surface or described glass surface for carrying out cleaning operation with the glass surface (103a) by being ejected into the lens surface (5a) of the described lens of the described optical pickocff that remains on described retainer from the cleaning liquid of cleaning liquid bucket (15) supply or facing the cover-plate glass (103) of described lens; And
Air spraying equipment (156), be positioned at described retainer top and for carrying out spraying with the described lens surface of the described lens that air are ejected into to described optical pickocff or the described glass surface of described cover-plate glass, wherein
Described air spraying equipment comprises air nozzle (153), pipe (154) and air pump (155),
The end of described washer nozzle (9b) has downward opening (11),
The end of described air nozzle has downward opening,
Described lens surface be positioned at the described end of described washer nozzle and described air nozzle described end under, and
The described opening of described washer nozzle and the described opening of described air nozzle are arranged in the zone in the outside, visual angle of described optical pickocff.
2. vehicle-mounted optical pickocff cover plate according to claim 1, wherein:
Described air spraying equipment on the described glass surface that described cleaning liquid is ejected into to described cover-plate glass from the described opening of described washer nozzle in or afterwards air is ejected on the described glass surface of described cover-plate glass.
3. vehicle-mounted optical pickocff cover plate according to claim 1, wherein
Described air spraying equipment is configured to the serviceability work according to the vehicle scrubber.
4. vehicle-mounted optical pickocff cover plate according to claim 1, wherein
The time period manipulate of described air spraying equipment when the vehicle scrubber operates.
5. vehicle-mounted optical pickocff cover plate according to claim 1, wherein
Described washer nozzle (9) is ejected into described cleaning liquid on described lens surface by the form of spraying.
6. vehicle-mounted optical pickocff cover plate according to claim 1, wherein
Described washer nozzle (9) is fed to described lens surface by the form of each by the scheduled volume of described cleaning liquid.
7. vehicle-mounted optical pickocff cover plate according to claim 1, wherein
Described cleaning liquid bucket is arranged in the engine room of vehicle.
CN201310366017.4A 2009-09-29 2010-09-29 Vehicle-mounted optical pickocff cover plate and vehicle-mounted optical sensor arrangement Active CN103448685B (en)

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JP2010-174449 2010-08-03
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